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Welcome to SBCL.
To find out more about who created the system, see the "CREDITS" file.
If you'd like information about the legalities of copying the system,
see the "COPYING" file.
If you'd like to install or build the system, see the "INSTALL" file.
If you'd like more information about using the system, see the man
page, "sbcl.1", or the user manual in the "doc/" subdirectory of the
distribution. (The user manual is maintained as DocBook SGML in the
source distribution; there is an HTML version in the binary
The system is a work in progress. See the "TODO" file in the source
distribution for some highlights.
If you'd like to make suggestions, report a bug, or help to improve the
system, please send mail to one of the mailing lists:
for OpenBSD:
OpenBSD 3.0 has stricter ulimit values, and/or enforces them more
strictly, than its predecessors. Therefore SBCL's initial mmap()
won't work unless you increase the limit on the data segment from
the OpenBSD defaults, e.g. with
ulimit -S -d 1000000
before you run SBCL. Otherwise SBCL fails with a message like
"ensure_space: failed to validate xxxxxxx bytes at yyyyy". (SBCL
is just allocating this huge address space, not actually using this
huge memory at this point. OpenBSD <3.0 had no problem with this,
but OpenBSD 3.0 is less hospitable.)
for Darwin:
PURIFY (which can be used alone but is also used by the system when
saving a new core) uses more stack than the default limit on MacOS
X.2. Therefore, in order to get PURIFY to work reliably, you need
to increase the limit, with e.g.
limit stack 8192 # for the default shell, tcsh
ulimit -s 8192 # for bash
before running SBCL. This is also necessary when building the system
from sources, as part of the build process involves saving a new core.
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